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速度，稳定，安全，尽享高品质的网络语音通信

全新的设计风格，尽显时尚潮流，个性化的用户菜单,为您提供便捷服务。内置PoE模块和两款耳机接口适用于特殊的使用场合。此款话机最适合于企业高级管理人员、秘书等话务较多的人员使用，帮助您提高工作效率，快速收回投资成本。

基本特性

l        支持SIP 2.0 (RFC3261)及相关RFC协

l        支持IAX2

l        支持3条SIP线路,并且能同时注册到3个SIP服务器，通过任意一个服务器进行呼入呼出

l        支持多路呼叫排队;支持iax2 line键呼叫

l        语音编码: Codec: G.711A/u, G.723.1 high/low, G.729a/b, G.722,G.726

l        回声消除:支持G.168，免提可达到96ms的回声消除

l        支持Voice Gain Setting, VAD, CNG

l        支持免提全双工通信

l        SIP支持SIP domain，SIP认证(none，basic，MD5)域名解析，点对点IP呼叫

l        DTMF方式支持：SIP info, DTMF Relay，RFC2833

l        支持9种来电铃声和5种用户自定义铃声

l        大屏幕LCD全点阵显示屏配合软功能键更加方便用户使用

l        良好的图形化菜单

l        提供2种耳机接口( 3.5mm插孔和RJ9连接头)

l        6个可编程键

l        可定制多国语言版本，默认为英语

l        SIP应用:支持呼叫前转/转移/盲转/出席转移/振铃转移/呼叫保持/呼叫等待/三方通话/paging and intercom/呼叫驻留/抢接/强插/自动回拨/点击呼叫/自动二次拨号

l        灵活的呼叫控制功能:灵活拨号，支持热线号码，空主叫拒接，黑名单拒接，认证呼叫，白名单，限拨，免打扰，免提自动接听，来电显示(拒接匿名呼叫)，匿名呼叫，不注册呼出等。

l        可支持已接/未接/去电记录各100条

l        支持电话本500条记录

l        支持SMS, SRTP, Blf(release2),快速拨号和XML

网络特性

l        WAN/LAN:支持桥模式和NAT

l        桥模式支持hub模式(可选)

l        支持PPPoE for xDSL;PoE可选

l         支持主备份DNS服务器功能

l         支持VLAN, DMZ和VPN (L2TP)

l         支持VLAN(voice vlan/data vlan)

l         QoS with DiffServ

l         支持802.1x

l         支持基本的NAT, NAPT和STUN

l         WAN口支持DHCP Client

l         LAN口支持DHCP Server

l         WAN口支持主、从DNS服务器功能

l         支持DNS Relay , openVPN和SNTP Client

l         支持防火墙;支持VPN L2TP和DMZ

l         支持网络工具：包括ping, trace route, telnet client

管理和维护

l        可以通过Web管理，Telnet配置和键盘操作

l         支持用户管理权限和系统日志查看

l         支持安全模式，且可以在安全模式进行软件更新

l         支持HTTP,FTP,TFTP（等方式更新软件或配置文件

l         支持dhcp option66自动更新;支持TR-069(可选)

l         支持Telnet远程管理文件的上传和下载提高安全模式的可靠性

l         支持自动升级，可自动更新版本或配置文件(可选https/ftps)

硬件规格

Features
l Support SIP 2.0 (RFC3261) and correlative RFCs
l Support IAX2 and HD voice
l Support 3 SIP lines. Can connect to 3 SIP servers at the same time.
l Support multi line and iax2 line key
l Codec:G.711A/u, G.723.1 high/low, G.729a/b, G.722.1,G.726
l Echo cancellation: G.168 Compliance in LEC, additional acoustic echo cancellation(AEC) can reach 96ms max filter length in hands-free mode
l Support Voice Gain Setting, VAD, CNG
l Full duplex hands-free speakerphone
l SIP support SIP domain, SIP authentication (none, basic, MD5), DNS name of server, Peer to Peer/ IP call
l DTMF:Support SIP info, DTMF Relay, RFC2833
l 9 kind of ring type and 5 user-defined music ring; 6 memory keys
l Large dot matrix LCD display and softkeys make user easier to use
l Friendly graphic menu
l 2 headset interface ( 3.5mm Jack or RJ9 connector)
l Multilanguage realizes localization
l SIP application: support call forward/ transfer (blind/attended)/ holding/ waiting/ 3 way talking/ conference/pickup/ join call/ redial and unredial/ click to dial
l Call control features: flexible dial map, hotline, empty calling no. reject service, black list for reject authenticated call, white list, limit call, no disturb, caller ID, CLIR (reject the anonymous call), CLIP (make a call with anonymous), Dial without register
l Incoming calls /outgoing calls / missing calls. Each support 100 records.
l Support Phonebook 500 records, SMS、XML, Speed dial
l support SRTP and BLF(release 2)

Network Features
l WAN/LAN: 10/100M Ethernet ports, supports Route and Bridge mode.
l Support bridge working as hub(optional)
l Support PPPoE for xDSL
l Support PoE(optional); support 802.1
l Support VLAN(voice vlan/data vlan)
l Support basic NAT and NAPT
l NAT transverse:support STUN client
l Support DHCP client on WAN
l Support DHCP server on LAN
l Support main DNS and secondary DNS server; QoS with DiffServ
l Support DNS Relay, SNTP Client, Firewall and openVPN
l Support VPN (L2TP) and DMZ
l Network tools in telnet server: including ping, trace route, telnet client

Maintenance and Management
l Web ,telnet and keypad management
l Management with different account right
l Upgrade firmware through HTTP, FTP or TFTP
l Support dhcp option66 auto provisioning
l Telnet remote management/upload/ download setting file
l Safe mode provide reliability
l Support Auto Provisioning to upgrade firmware or configuration file(HTTPS/FTPS optional)
l Support TR-069(optional) and Syslog